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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1. A hydraulic ram 200 mm in diameter and 1.2 m long moves wholly within a concentric cylinder 200.2 mm in diameter, and the annular clearance is filled with oil of relative density 0.85 and kinematic viscosity 400 mm2 ·s−1. What is the viscous force resisting the motion when the ram moves at 120 mm ·s−1?
2. The space between two large flat and parallel walls 25 mm apart is filled with a liquid of dynamic viscosity 0.7 Pa ·s. Within this space a thin flat plate 250 mm × 250 mm is towed at a velocity of 150 mm ·s−1 at a distance of 6 mm from one wall, the plate and its movement being parallel to the walls. Assuming linear variations of velocity between the plate and the walls, determine the force exerted by the liquid on the plate.
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